Compare Mowers
List prices are the manufacturer’s published figures, re-checked daily; they exclude tax, freight and dealer setup.
A side-by-side reference of each model's stated specifications. MowerFacts doesn’t give opinions: where a published, spec-derived rule can separate machines we mark a Data Pick and show the rule; here, read the values and decide what fits your needs.
Best suited for
What each model is built for, from its duty class and key specs. This is a neutral reference — MowerFacts does not rank one model above another.
- Ariens RIDGELINE 52 — commercial: daily paid use and high acreage; 52-inch deck; gas powered
- Gravely Z-STANCE 52 KAWASAKI — commercial: daily paid use and high acreage; 52-inch deck; gas powered
What’s different? The 3 differences that matter most, from the published figures.
- RIDGELINE 52 has Hydro-Gear® ZT-2800® Transaxles drive; Z-STANCE 52 KAWASAKI has Hydro-Gear® ZT-3100® Transaxles drive.
- RIDGELINE 52 lists at $6,799; Z-STANCE 52 KAWASAKI lists at $8,399, a $1,600 difference. List price is the maker's own figure before tax, freight and dealer setup. Dealers set the final price.
- RIDGELINE 52 weighs 731 lbs (331.6 kg); Z-STANCE 52 KAWASAKI weighs 763 lbs (346.1 kg), a 32 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What RIDGELINE 52's weight means for a trailer ›
what isn’t comparable
Not comparable
- Warranty: not published for Z-STANCE 52 KAWASAKI.
- Blades: not published for Z-STANCE 52 KAWASAKI.
- Transmission: not published for Z-STANCE 52 KAWASAKI.
- Fuel Type: not published for RIDGELINE 52.
- Deck Material: not published for RIDGELINE 52.
- Deck Construction: not published for RIDGELINE 52.
- Discharge: not published for RIDGELINE 52.
- Cut height range: not published for Z-STANCE 52 KAWASAKI.
Verified means each manufacturer publishes the figure. A bigger number is only a bigger number; nothing here says which machine is better. The full specification table is below.
Which is faster on your property? › Measure your lawn once and MowerFacts times all 2 against it.
| Spec | RIDGELINE 52 Ariens · Commercial |
Z-STANCE 52 KAWASAKI Gravely · Commercial |
|---|---|---|
| List price | $6,799 | $8,399 |
| Engine | ||
| Power Source | gas | gas |
| Engine Make | Kawasaki FS651V | Kawasaki® |
| Displacement | 44.3 ci (725.9 cc) | 44.3 ci (726 cc) |
| Engine Power | 22 hp | 22 hp |
| Engine Model | — | FS651V |
| Fuel Type | — | Gas |
| Deck | ||
| Cutting Width | 52 in (1321 mm) | 52 in (1321 mm) |
| Blades | 3 | — |
| Deck Material | — | 10 ga |
| Deck Construction | — | Fabricated X-Factor® 3 |
| Deck Gauge | — | 10 |
| Min Cut Height | 1.5 in (38 mm) | — |
| Blade Tip Speed | 18287 ft/min (5574 m/min) | — |
| Discharge | — | Side |
| Cut Positions | 13 | — |
| Max Cut Height | 4.5 in (114 mm) | — |
| Drive | ||
| Transmission | Hydrostatic | — |
| Ground Speed | 7 mph | 7 mph |
| Reverse Speed | 3 mph | 3 mph |
| Drive System | Hydro-Gear® ZT-2800® Transaxles | Hydro-Gear® ZT-3100® Transaxles |
| Dimensions | ||
| Weight | 731 lbs (331.6 kg) | 763 lbs (346.1 kg) |
| Fuel Capacity | 4.5 gal (17 L) | 4.5 gal (17 L) |
| General | ||
| Warranty | 4 yr | — |
Where these models differ, explained
RIDGELINE 52: Specs verified against the retailer listing on Jun 6, 2026 — milkspowerequipment.com.
Z-STANCE 52 KAWASAKI: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — kawasakienginesusa.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.